<ion-tabs class="tabs-icon-top tabs-positive">

  <ion-tab title="首页" icon-off="ion-ios-home-outline" icon-on="ion-ios-home" href="#/tab/home">
    <ion-nav-view name="tab-home"></ion-nav-view>
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  <ion-tab title="文章" icon-off="ion-ios-book-outline" icon-on="ion-ios-book" href="#/tab/blog">
    <ion-nav-view name="tab-blog"></ion-nav-view>
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  <ion-tab title="实验室" icon-off="ion-ios-flask-outline" icon-on="ion-ios-flask" href="#/tab/flask">
    <ion-nav-view name="tab-flask"></ion-nav-view>
  </ion-tab>

  <ion-tab title="关于" icon-off="ion-ios-person-outline" icon-on="ion-ios-person" href="#/tab/account">
    <ion-nav-view name="tab-account"></ion-nav-view>
  </ion-tab>

</ion-tabs>
